Table 1 Baseline demographics

N

310

 Female

177 (57.1 %)

 Male

133 (42.9 %)

Age (yrs)

53.5 ± 14.7

 Seniors (age ≥ 65 years)

88 (28.4 %)

Weight^a (kg)

109.1 ± 21.7

BMI^b (kg/m²)

37.7 ± 6.8

 Overweight (BMI ≥ 25 & <30 kg/m²)

32 (10.4 %)

 Class I obesity (BMI ≥ 30 & <35 kg/m²)

87 (28.3 %)

 Class II obesity (BMI ≥ 35 & <40 kg/m²)

78 (25.4 %)

 Class III obesity (BMI ≥ 40 kg/m²)

110 (35.8 %)

Lean body mass^c (kg)

61.8 ± 14.2

Body fat mass^c (kg)

47.0 ± 13.9

Current smoker

19 (6.1 %)

 Diabetes//high blood sugar

65 (21.0 %)

 High blood pressure

130 (41.9 %)

 Arthritis^d

57 (23.7 %)

 Heart disease or past heart attack

14 (4.5 %)

 Kidney disease

10 (3.2 %)

 Liver disease

4 (1.3 %)